Essay Questions

Essay Questions - 1) In a condition known as gout, blood...

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1) In a condition known as gout, blood levels of uric acid are higher than normal. Since uric acid is not as soluble as urea, some of the uric acid will precipitate out in joint capsules, causing local inflammation, pain, and ultimately damage to the joint. Individuals with gout are frequently treated by altering their diet. How can this help? 2) What happens during protein catabolism? How is this related to nitrogen balance? 3) Why is the TCA cycle called a cycle? What substances enter the cycle, and what substances leave it? 4) Why is a starving person more susceptible to infectious disease than one who is well nourished? 5) Anorexia nervosa is an eating disorder characterized by self-induced starvation. Individuals with this condition typically exhibit bradycardia, hypotension, and a decreased heart size. These problems can eventually lead to death from heart failure. How does anorexia cause such symptoms? 6) The drug cholestipol binds bile salts in the intestine, forming complexes that cannot be absorbed. How would this drug affect cholesterol levels in blood? Case # 1 Thiamin is also called Vitamin B1. The active form of thiamin is thiamin pyrophosphate (TPP). This active form is a cofactor for pyruvate dehydrogenase and transketolase enzymes that are involved in the metabolism of carbohydrates. These enzymes play an important role in the biosynthesis of a number of cell constituents such as neurotransmitters, pentoses (such as ribose and deoxyribose), and reduced equivalents,
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This note was uploaded on 05/29/2011 for the course BIO 233 taught by Professor Salti during the Spring '11 term at Portland CC.

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Essay Questions - 1) In a condition known as gout, blood...

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